dimethyl sulfoxide
noun
: a compound C2H6SO obtained as a by-product in wood-pulp manufacture and used as a solvent and in medicine as an anti-inflammatory agent
called also DMSO
Example Sentences
Recent Examples on the Web The Northwestern scientists added PFAS molecules to a solution of lye and dimethyl sulfoxide and exposed them to temperatures of up to 248 degrees Fahrenheit. 
Aria Bendix, NBC News, 18 Aug. 2022 For the electrolyte, the researchers used a mixture of organic chemicals that had been demonstrated in earlier work (1-ethyl-3-methylimidazolium tetrafluoroborate mixed with dimethyl sulfoxide). John Timmer, Ars Technica, 22 Mar. 2018
Aria Bendix, NBC News, 18 Aug. 2022 For the electrolyte, the researchers used a mixture of organic chemicals that had been demonstrated in earlier work (1-ethyl-3-methylimidazolium tetrafluoroborate mixed with dimethyl sulfoxide). John Timmer, Ars Technica, 22 Mar. 2018 Word History
First Known Use
1964, in the meaning defined above
Medical Definition
dimethyl sulfoxide
noun
: an anti-inflammatory agent (CH3)2SO used in the treatment of interstitial cystitis
called also DMSO
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